Usage of test cases is explained using the educational service build in Education Lesson 3. Refer to Importing the Service Description (Builder) for information on how to import the corresponding WSDL.
To create a test case, select an operation. Open the context menu with the right mouse button and select Create Test Case:
Enter a name for the new test case and click OK. Default name suggested is the name of the operation:
The test case will be listed below the operation and has a grey icon 
Continue with inserting test data.